An imprint of imagination · American publishing

GRIM
THRALL

Where ancient darkness meets the written word. Publishing literature in the worlds of Paleo Horror and Paleo Dark Fantasy.

01 / Our story

Stories from worlds
before our own.

Grim Thrall is a publishing identity focused on original literary experiences in Paleo Horror and Paleo Dark Fantasy.

Our publishing scope centers on books that explore ancient worlds, unsettling mysteries, and speculative darkness. Through distinctive storytelling, GRIM THRALL brings the atmosphere of prehistoric horror and dark fantasy to readers.

Paleo HorrorDark FantasyBook Publishing

Explore publishing releases at grimthrall.com ↗

Grim Thrall design emblem
03 / USPTO trademark certificate

Official registration documentation.

View the original United States Patent and Trademark Office registration certificate, alongside the registration details and public record.

Registration summary

  • MarkGRIM THRALL
  • U.S. Reg. No.8,204,261
  • U.S. Serial No.99370438
  • RegisteredApril 7, 2026
  • Class041
  • Registration typePrincipal · Service Mark
  • OwnerGrim Thrall LLC
  • Status in supplied TSDR (Oct 10, 2026)LIVE / Registered
View the certificate PDF.
04 / Get in touch

Contact GRIM THRALL.

For publishing inquiries and legal or trademark-related correspondence, reach the relevant team using the email addresses below.

General inquiries

Information & publishing

info@grimthrall.org

Company information, general questions and publishing correspondence.

Intellectual property

Legal & trademark matters

legal@grimthrall.org

Trademark, intellectual property and formal legal correspondence.

Grim Thrall LLC · 522 W Riverside Ave Ste N · Spokane, WA 99201 · United States